/// <summary>
/// The test reprojection.
/// </summary>
/// <returns>
/// The <see cref="bool" />.
/// </returns>
private static bool TestReprojection()
{
Debug.Print("\nStart OGR test");
AxMap map = Fileformats.Map;
map.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
var gs = new GlobalSettings();
gs.ShapeInputValidationMode = tkShapeValidationMode.NoValidation;
gs.ShapeOutputValidationMode = tkShapeValidationMode.NoValidation;
int handle = map.AddLayerFromDatabase(CONNECTION_STRING, "belarus", true);
if (handle == -1)
{
Debug.Print("Failed to open database layer");
}
else
{
Debug.Print("Layer was opened");
OgrLayer l = map.get_OgrLayer(handle);
if (l != null)
{
Debug.Print("Layer was reprojected: " + l.DataIsReprojected);
}
}
return(true);
}
/// <summary>
/// Import shapefiles into the PostGIS database
/// </summary>
/// <param name="textfileLocation">
/// The textfile location.
/// </param>
/// <param name="theForm">
/// The form.
/// </param>
/// <returns>
/// The <see cref="bool"/>.
/// </returns>
internal static bool RunPostGisImportSf(string textfileLocation, Form1 theForm)
{
var numErrors = 0;
Map = Fileformats.Map;
Map.RemoveAllLayers();
Map.Projection = tkMapProjection.PROJECTION_WGS84;
Application.DoEvents();
theForm.Progress("----------------------- Importing of shapefiles has started." + Environment.NewLine);
// Read testfile:
string connectionString;
List <string> shapefileList;
if (!ReadTextfile(textfileLocation, out connectionString, out shapefileList))
{
throw new Exception("Cannot read text file");
}
// Connect to data source:
var ds = new OgrDatasource {
GlobalCallback = theForm
};
if (!ds.Open(connectionString))
{
throw new Exception("Failed to open datasource: " + ds.GdalLastErrorMsg);
}
// Get queries:
foreach (var shapefileLocation in shapefileList)
{
var layerName = Path.GetFileNameWithoutExtension(shapefileLocation);
if (!File.Exists(shapefileLocation))
{
theForm.WriteError(shapefileLocation + " does not exists. Skipping");
continue;
}
// Open shapefile:
theForm.Progress(string.Format("Reading {0} shapefile", layerName));
var fm = new FileManager();
var sf = fm.OpenShapefile(shapefileLocation, theForm);
theForm.Progress(string.Format("Importing {0} shapefile", layerName));
if (!ds.ImportShapefile(sf, layerName, "OVERWRITE=YES", tkShapeValidationMode.NoValidation))
{
var errorMsg = fm.ErrorMsg[fm.LastErrorCode];
// let's check GDAL error as well
var gs = new GlobalSettings();
errorMsg += " GDAL error message: " + gs.GdalLastErrorMsg;
theForm.WriteError(
string.Format("Error importing shapefile [{0}]: {1}", shapefileLocation, errorMsg));
numErrors++;
}
else
{
// Read layer and add to map:
theForm.Progress(string.Format("Reading {0} layer from db", layerName));
var handle = Map.AddLayerFromDatabase(connectionString, layerName, true);
if (handle == -1)
{
theForm.WriteError("Failed to open database layer: " + layerName);
numErrors++;
}
Application.DoEvents();
}
// Close shapefile:
sf.Close();
}
// Close database connection:
ds.Close();
theForm.Progress(string.Format("Importing of shapefiles test has finished, with {0} errors", numErrors));
return(numErrors == 0);
}
public int AddFromDatabase(string connectionString, string layerNameOrQuery, bool visible = true)
{
return(_axMap.AddLayerFromDatabase(connectionString, layerNameOrQuery, visible));
}
